A METHOD OF PRODUCING MICROCELLULAR FOAMS AND MICROCELLULAR FOAMS OF SEMI-CRYSTALLINE POLYMERIC MATERIALS - Patent 0377650

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EP 0 377 650 A1

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(43)	Date of publication:
	18.07.1990 Bulletin 1990/29

(21)	Application number: 88908469.0

(22)	Date of filing: 28.07.1988

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International Patent Classification (IPC):

B29B 7/ 74^{( . )}
B29C 44/ 10^{( . )}
B29C 44/ 56^{( . )}

B29C 44/ 00^{( . )}
B29C 44/ 34^{( . )}

(86)	International application number:
	PCT/US1988/002567

(87)	International publication number:
	WO 1989/000918 (09.02.1989 Gazette 1989/04)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

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Priority:

29.07.1987 US 19870079251

(71)	Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
	Cambridge, MA 02139 (US)

(72)	Inventors:
	COLTON, Jonathan, S. Atlanta, GA 30339 (US) SUH, Nam, P. Sudbury, MA 01776 (US)

(74)	Representative: Holdcroft, James Gerald, Dr., et al
	Graham Watt & Co., Riverhead Sevenoaks, Kent TN13 2BN Sevenoaks, Kent TN13 2BN (GB)

(54)	A METHOD OF PRODUCING MICROCELLULAR FOAMS AND MICROCELLULAR FOAMS OF SEMI-CRYSTALLINE POLYMERIC MATERIALS